package com.encryption.dao;

import java.util.List;

import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.SQLQuery;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.encryption.model.UserVerifyCode;

/**
 * A data access object (DAO) providing persistence and search support for
 * UserVerifyCode entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.encryption.model.UserVerifyCode
 * @author MyEclipse Persistence Tools
 */

public class UserVerifyCodeDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(UserVerifyCodeDAO.class);
	// property constants
	public static final String USER_ID = "userId";
	public static final String CODE = "code";
	public static final String RANDOM = "random";

	public void save(UserVerifyCode transientInstance) {
		log.debug("saving UserVerifyCode instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(UserVerifyCode persistentInstance) {
		log.debug("deleting UserVerifyCode instance");
		try {
			getSession().delete(persistentInstance);
			
			String deleteSql = "delete from user_verify_code where id=" + persistentInstance.getId();
			SQLQuery query = getSession().createSQLQuery(deleteSql);
			query.executeUpdate();
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public UserVerifyCode findById(java.lang.Integer id) {
		log.debug("getting UserVerifyCode instance with id: " + id);
		try {
			UserVerifyCode instance = (UserVerifyCode) getSession().get(
					"com.encryption.model.UserVerifyCode", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(UserVerifyCode instance) {
		log.debug("finding UserVerifyCode instance by example");
		try {
			List results = getSession()
					.createCriteria("com.encryption.model.UserVerifyCode")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding UserVerifyCode instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from UserVerifyCode as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByUserId(Object userId) {
		return findByProperty(USER_ID, userId);
	}

	public List findByCode(Object code) {
		return findByProperty(CODE, code);
	}

	public List findByRandom(Object random) {
		return findByProperty(RANDOM, random);
	}

	public List findAll() {
		log.debug("finding all UserVerifyCode instances");
		try {
			String queryString = "from UserVerifyCode";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public UserVerifyCode merge(UserVerifyCode detachedInstance) {
		log.debug("merging UserVerifyCode instance");
		try {
			UserVerifyCode result = (UserVerifyCode) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(UserVerifyCode instance) {
		log.debug("attaching dirty UserVerifyCode instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(UserVerifyCode instance) {
		log.debug("attaching clean UserVerifyCode instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	private static UserVerifyCodeDAO userDao = null;

	public static UserVerifyCodeDAO getDAO() {
		if (null == userDao) {
			userDao = new UserVerifyCodeDAO();
		}
		return userDao;
	}
}